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Site updated at 2017-08-26 06:14:00 UTC

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getting-started/presence-detection/index.html
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@ -77,7 +77,7 @@
<p class="note">
We care about privacy. Collected data is <b>only</b> stored in your instance of Home Assistant.
</p>
<p>Presence detection detects if people are home, which is the most important input for automation. Knowing who is home or where they are will open a whole range of other automation options:</p>
<p>Presence detection detects if people are home, which is the most valuable input for automation. Knowing who is home or where they are, will open a whole range of other automation options:</p>
<ul>
<li>Send me a notification when my child arrives at school</li>
<li>Turn on the AC when I leave work</li>
@ -88,7 +88,7 @@ Screenshot of Home Assistant showing a school, work and home zone and two people
</p>
<h3><a class="title-link" name="setting-it-up" href="#setting-it-up"></a> Setting it up</h3>
<p>The device tracker component offers presence detection for Home Assistant. It supports two different methods for presence detection: scan for connected devices on the local network and connect to third party service.</p>
<p>Scanning for connected devices is easy to setup. See the instructions for our <a href="/components/#presence-detection">supported routers</a> or <a href="/components/device_tracker.nmap_tracker/">scan the network using nmap</a>. This approach does have its limitations, however: it will only be able to detect if a device is home, and iPhones may show as not home inaccurately (as iPhones disconnect from WiFi if idle).</p>
<p>Scanning for connected devices is easy to setup. See the instructions for our <a href="/components/#presence-detection">supported routers</a> or <a href="/components/device_tracker.nmap_tracker/">scan the network using nmap</a>. This approach does have its limitations, however: it will only be able to detect if a device is at home, and iPhones may show as not home inaccurately (as iPhones disconnect from WiFi if idle).</p>
<p>Home Assistant currently supports multiple third-party services for presence detection: <a href="/components/device_tracker.owntracks/">OwnTracks</a>, <a href="/components/device_tracker.gpslogger/">GPSLogger</a> and <a href="/components/device_tracker.locative/">Locative</a>. OwnTracks is an app that you install on your iPhone or Android phone that allows you to push the location of your device to Home Assistant using an MQTT broker. An MQTT broker is an Internet of Things communication platform that you can <a href="/components/mqtt/#run-your-own">freely host yourself</a> or get <a href="/components/mqtt/#run-your-own">a private instance for free in the cloud</a>.</p>
<p class="note">
OwnTracks communicates directly with your MQTT broker; no data will pass through their servers.